If the sequence of one single strand of DNA is C-A-A G-T-A G-C-T, what is the sequence of the complementary strand?

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

idk im sorry.

if you know your abc's you should be able to get your answer or just use google